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QuickChart vs RandomUser

Same instrument, two spec sheets — measured, not claimed.

APIQuickChartNEW—RandomUserNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (generated data; sample photos governed by UI Faces terms)
Free tierFree — limits not publishedFree — no key or signup
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

QuickChart vs RandomUser: common questions

Which is more reliable, QuickChart or RandomUser?

On our scheduled checks, RandomUser leads on measured uptime — QuickChart at —% versus RandomUser at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do QuickChart and RandomUser need an API key?

Neither needs a paid key — QuickChart is callable with no signup, and RandomUser is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call QuickChart and RandomUser from the browser?

Only RandomUser is browser-friendly — it returns CORS headers over HTTPS. QuickChart needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are QuickChart and RandomUser free for commercial use?

QuickChart has unclear commercial terms, and RandomUser has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.